『91mv』介紹:大陸臥底公安鞏(gong)(gong)偉(李(li)連杰飾)因工作關系(xi),不(bu)(bu)能給與(yu)重病的妻(qi)子(zi)更多照(zhao)顧,也不(bu)(bu)能為懂事又武藝高強的兒(er)子(zi)鞏(gong)(gong)固(謝(xie)苗飾)提(ti)供更多關懷(huai),在妻(qi)兒(er)急需要(yao)他的時候,鞏(gong)(gong)偉因上司(si)的命令,假扮罪犯,和大陸抓(zhua)獲(huo)的香港(gang)(gang)黑道分子(zi)小黑(柯受良(liang)飾)一同逃跑(pao),踏上了遠赴香港(gang)(gang)甫光(guang)(于(yu)榮光(guang)飾)團伙臥底的旅途。鞏(gong)(gong)偉與(yu)甫光(guang)團伙在炸彈(dan)交易中(zhong)黑吃黑,混戰中(zhong)搭(da)救了香港(gang)(gang)督查(cha)方逸(yi)華(hua)(梅艷(yan)芳飾),并(bing)憑借出色(se)身手得到了甫光(guang)的信任(ren)。方逸(yi)華(hua)來到北(bei)京調查(cha)鞏(gong)(gong)偉身份,獲(huo)知真相(xiang),并(bing)在鞏(gong)(gong)妻(qi)去世后帶領鞏(gong)(gong)固至香港(gang)(gang)尋(xun)父(fu)(fu),方逸(yi)華(hua)上司(si)將鞏(gong)(gong)偉鞏(gong)(gong)固父(fu)(fu)子(zi)身份暴露,使(shi)鞏(gong)(gong)偉處境危險,而(er)此刻(ke)甫光(guang)策劃的拍賣搶劫行(xing)動(dong)亦(yi)迫在眉睫……